13925869 has 4 divisors (see below), whose sum is σ = 14122080. Its totient is φ = 13729660.

The previous prime is 13925837. The next prime is 13925893. The reversal of 13925869 is 96852931.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13925869 - 2⁵ = 13925837 is a prime.

It is a super-2 number, since 2×13925869² = 387859654810322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13925819) 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, 97999 + ... + 98140.

It is an arithmetic number, because the mean of its divisors is an integer number (3530520).

Almost surely, 2^13925869 is an apocalyptic number.

It is an amenable number.

13925869 is a deficient number, since it is larger than the sum of its proper divisors (196211).

13925869 is an equidigital number, since it uses as much as digits as its factorization.

13925869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196210.

The product of its digits is 116640, while the sum is 43.

The square root of 13925869 is about 3731.7380669066. The cubic root of 13925869 is about 240.5880775191.

The spelling of 13925869 in words is "thirteen million, nine hundred twenty-five thousand, eight hundred sixty-nine".