13045979 has 4 divisors (see below), whose sum is σ = 13074984. Its totient is φ = 13016976.

The previous prime is 13045961. The next prime is 13045997. The reversal of 13045979 is 97954031.

It is a happy number.

13045979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97954031 = 7 ⋅13993433.

It is an interprime number because it is at equal distance from previous prime (13045961) and next prime (13045997).

It is a cyclic number.

It is not a de Polignac number, because 13045979 - 2¹² = 13041883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13045909) 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, 13817 + ... + 14730.

It is an arithmetic number, because the mean of its divisors is an integer number (3268746).

Almost surely, 2^13045979 is an apocalyptic number.

13045979 is a deficient number, since it is larger than the sum of its proper divisors (29005).

13045979 is an equidigital number, since it uses as much as digits as its factorization.

13045979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29004.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 13045979 is about 3611.9217876361. The cubic root of 13045979 is about 235.4103528976.

The spelling of 13045979 in words is "thirteen million, forty-five thousand, nine hundred seventy-nine".