13247580 has 24 divisors (see below), whose sum is σ = 37093392. Its totient is φ = 3532672.

The previous prime is 13247567. The next prime is 13247593. The reversal of 13247580 is 8574231.

It is an interprime number because it is at equal distance from previous prime (13247567) and next prime (13247593).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 110337 + ... + 110456.

It is an arithmetic number, because the mean of its divisors is an integer number (1545558).

Almost surely, 2^13247580 is an apocalyptic number.

13247580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13247580 is an abundant number, since it is smaller than the sum of its proper divisors (23845812).

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

13247580 is a wasteful number, since it uses less digits than its factorization.

13247580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220805 (or 220803 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 13247580 is about 3639.7225168960. The cubic root of 13247580 is about 236.6167674561.

The spelling of 13247580 in words is "thirteen million, two hundred forty-seven thousand, five hundred eighty".