13250555 has 8 divisors (see below), whose sum is σ = 15958944. Its totient is φ = 10561600.

The previous prime is 13250537. The next prime is 13250557. The reversal of 13250555 is 55505231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-13250555 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13250557) 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, 3311 + ... + 6120.

It is an arithmetic number, because the mean of its divisors is an integer number (1994868).

Almost surely, 2^13250555 is an apocalyptic number.

13250555 is a deficient number, since it is larger than the sum of its proper divisors (2708389).

13250555 is an equidigital number, since it uses as much as digits as its factorization.

13250555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9717.

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 13250555 is about 3640.1311789550. The cubic root of 13250555 is about 236.6344784190.

Adding to 13250555 its reverse (55505231), we get a palindrome (68755786).

The spelling of 13250555 in words is "thirteen million, two hundred fifty thousand, five hundred fifty-five".