13120534 has 24 divisors (see below), whose sum is σ = 23893488. Its totient is φ = 5377680.

The previous prime is 13120531. The next prime is 13120537. The reversal of 13120534 is 43502131.

It is an interprime number because it is at equal distance from previous prime (13120531) and next prime (13120537).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13120531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 657 + ... + 5164.

It is an arithmetic number, because the mean of its divisors is an integer number (995562).

Almost surely, 2^13120534 is an apocalyptic number.

13120534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13120534 is a deficient number, since it is larger than the sum of its proper divisors (10772954).

13120534 is a wasteful number, since it uses less digits than its factorization.

13120534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5860 (or 5853 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 13120534 is about 3622.2277675486. The cubic root of 13120534 is about 235.8579414139.

Adding to 13120534 its reverse (43502131), we get a palindrome (56622665).

The spelling of 13120534 in words is "thirteen million, one hundred twenty thousand, five hundred thirty-four".