13257030 has 32 divisors (see below), whose sum is σ = 31912704. Its totient is φ = 3524576.

The previous prime is 13257017. The next prime is 13257043. The reversal of 13257030 is 3075231.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13257017) and next prime (13257043).

It is a junction number, because it is equal to n+sod(n) for n = 13256988 and 13257006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19069 + ... + 19751.

It is an arithmetic number, because the mean of its divisors is an integer number (997272).

Almost surely, 2^13257030 is an apocalyptic number.

13257030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13257030 is an abundant number, since it is smaller than the sum of its proper divisors (18655674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13257030 is a wasteful number, since it uses less digits than its factorization.

13257030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 13257030 is about 3641.0204613542. The cubic root of 13257030 is about 236.6730166473.

The spelling of 13257030 in words is "thirteen million, two hundred fifty-seven thousand, thirty".