13124051 has 4 divisors (see below), whose sum is σ = 13896072. Its totient is φ = 12352032.

The previous prime is 13124047. The next prime is 13124057. The reversal of 13124051 is 15042131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13124051 - 2² = 13124047 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 772003 = 13124051 / (1 + 3 + 1 + 2 + 4 + 0 + 5 + 1).

It is not an unprimeable number, because it can be changed into a prime (13124057) 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, 385985 + ... + 386018.

It is an arithmetic number, because the mean of its divisors is an integer number (3474018).

Almost surely, 2^13124051 is an apocalyptic number.

13124051 is a deficient number, since it is larger than the sum of its proper divisors (772021).

13124051 is an equidigital number, since it uses as much as digits as its factorization.

13124051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772020.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 13124051 is about 3622.7132097366. The cubic root of 13124051 is about 235.8790136831.

Adding to 13124051 its reverse (15042131), we get a palindrome (28166182).

The spelling of 13124051 in words is "thirteen million, one hundred twenty-four thousand, fifty-one".