13497574 has 4 divisors (see below), whose sum is σ = 20246364. Its totient is φ = 6748786.

The previous prime is 13497559. The next prime is 13497577. The reversal of 13497574 is 47579431.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13497577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3374392 + ... + 3374395.

It is an arithmetic number, because the mean of its divisors is an integer number (5061591).

Almost surely, 2^13497574 is an apocalyptic number.

13497574 is a deficient number, since it is larger than the sum of its proper divisors (6748790).

13497574 is an equidigital number, since it uses as much as digits as its factorization.

13497574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6748789.

The product of its digits is 105840, while the sum is 40.

The square root of 13497574 is about 3673.9044625575. The cubic root of 13497574 is about 238.0958938484.

The spelling of 13497574 in words is "thirteen million, four hundred ninety-seven thousand, five hundred seventy-four".