13078570 has 16 divisors (see below), whose sum is σ = 23600808. Its totient is φ = 5218240.

The previous prime is 13078567. The next prime is 13078573. The reversal of 13078570 is 7587031.

It is an interprime number because it is at equal distance from previous prime (13078567) and next prime (13078573).

It can be written as a sum of positive squares in 4 ways, for example, as 5631129 + 7447441 = 2373^2 + 2729^2 .

It is not an unprimeable number, because it can be changed into a prime (13078573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3192 + ... + 6028.

Almost surely, 2^13078570 is an apocalyptic number.

13078570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13078570 is a deficient number, since it is larger than the sum of its proper divisors (10522238).

13078570 is a wasteful number, since it uses less digits than its factorization.

13078570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3305.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 13078570 is about 3616.4305606495. The cubic root of 13078570 is about 235.6062211368.

The spelling of 13078570 in words is "thirteen million, seventy-eight thousand, five hundred seventy".