13042544 has 10 divisors (see below), whose sum is σ = 25269960. Its totient is φ = 6521264.

The previous prime is 13042529. The next prime is 13042559. The reversal of 13042544 is 44524031.

It is an interprime number because it is at equal distance from previous prime (13042529) and next prime (13042559).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 407564 + ... + 407595.

It is an arithmetic number, because the mean of its divisors is an integer number (2526996).

Almost surely, 2^13042544 is an apocalyptic number.

It is an amenable number.

13042544 is a deficient number, since it is larger than the sum of its proper divisors (12227416).

13042544 is an equidigital number, since it uses as much as digits as its factorization.

13042544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815167 (or 815161 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 13042544 is about 3611.4462476963. The cubic root of 13042544 is about 235.3896899397.

Adding to 13042544 its reverse (44524031), we get a palindrome (57566575).

The spelling of 13042544 in words is "thirteen million, forty-two thousand, five hundred forty-four".