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14025013 = 28574909
BaseRepresentation
bin110101100000…
…000100110101
3222101112200221
4311200010311
512042300023
61220334341
7230132152
oct65400465
928345627
1014025013
117a0a222
1248443b1
132ba0932
141c11229
15137085d
hexd60135

14025013 has 4 divisors (see below), whose sum is σ = 14032780. Its totient is φ = 14017248.

The previous prime is 14025007. The next prime is 14025023. The reversal of 14025013 is 31052041.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 31052041 = 73942019.

It can be written as a sum of positive squares in 2 ways, for example, as 12404484 + 1620529 = 3522^2 + 1273^2 .

It is a cyclic number.

It is not a de Polignac number, because 14025013 - 25 = 14024981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14025023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403 + ... + 5311.

It is an arithmetic number, because the mean of its divisors is an integer number (3508195).

Almost surely, 214025013 is an apocalyptic number.

It is an amenable number.

14025013 is a deficient number, since it is larger than the sum of its proper divisors (7767).

14025013 is an equidigital number, since it uses as much as digits as its factorization.

14025013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7766.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 14025013 is about 3744.9983978635. The cubic root of 14025013 is about 241.1576764688.

Adding to 14025013 its reverse (31052041), we get a palindrome (45077054).

The spelling of 14025013 in words is "fourteen million, twenty-five thousand, thirteen".

Divisors: 1 2857 4909 14025013