13074981 has 4 divisors (see below), whose sum is σ = 17433312. Its totient is φ = 8716652.

The previous prime is 13074959. The next prime is 13075009. The reversal of 13074981 is 18947031.

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, and also an emirpimes, since its reverse is a distinct semiprime: 18947031 = 3 ⋅6315677.

It is a cyclic number.

It is not a de Polignac number, because 13074981 - 2⁶ = 13074917 is a prime.

It is a super-2 number, since 2×13074981² = 341910256300722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13074181) 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, 2179161 + ... + 2179166.

It is an arithmetic number, because the mean of its divisors is an integer number (4358328).

Almost surely, 2^13074981 is an apocalyptic number.

It is an amenable number.

13074981 is a deficient number, since it is larger than the sum of its proper divisors (4358331).

13074981 is an equidigital number, since it uses as much as digits as its factorization.

13074981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4358330.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 13074981 is about 3615.9343190938. The cubic root of 13074981 is about 235.5846676059.

The spelling of 13074981 in words is "thirteen million, seventy-four thousand, nine hundred eighty-one".