13257274 has 8 divisors (see below), whose sum is σ = 20527488. Its totient is φ = 6414780.

The previous prime is 13257271. The next prime is 13257317. The reversal of 13257274 is 47275231.

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

It is a super-2 number, since 2×13257274² = 351510627822152, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (13257271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106852 + ... + 106975.

It is an arithmetic number, because the mean of its divisors is an integer number (2565936).

Almost surely, 2^13257274 is an apocalyptic number.

13257274 is a deficient number, since it is larger than the sum of its proper divisors (7270214).

13257274 is a wasteful number, since it uses less digits than its factorization.

13257274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213860.

The product of its digits is 11760, while the sum is 31.

The square root of 13257274 is about 3641.0539682900. The cubic root of 13257274 is about 236.6744686533.

It can be divided in two parts, 13257 and 274, that added together give a palindrome (13531).

The spelling of 13257274 in words is "thirteen million, two hundred fifty-seven thousand, two hundred seventy-four".