13125030 has 16 divisors (see below), whose sum is σ = 31500144. Its totient is φ = 3500000.

The previous prime is 13125001. The next prime is 13125053. The reversal of 13125030 is 3052131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218721 + ... + 218780.

It is an arithmetic number, because the mean of its divisors is an integer number (1968759).

Almost surely, 2^13125030 is an apocalyptic number.

13125030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13125030 is an abundant number, since it is smaller than the sum of its proper divisors (18375114).

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

13125030 is a wasteful number, since it uses less digits than its factorization.

13125030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437511.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 13125030 is about 3622.8483269383. The cubic root of 13125030 is about 235.8848787374.

Adding to 13125030 its reverse (3052131), we get a palindrome (16177161).

The spelling of 13125030 in words is "thirteen million, one hundred twenty-five thousand, thirty".