13506412 has 6 divisors (see below), whose sum is σ = 23636228. Its totient is φ = 6753204.

The previous prime is 13506391. The next prime is 13506413. The reversal of 13506412 is 21460531.

It is a super-2 number, since 2×13506412² = 364846330227488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13506413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1688298 + ... + 1688305.

Almost surely, 2^13506412 is an apocalyptic number.

It is an amenable number.

13506412 is a deficient number, since it is larger than the sum of its proper divisors (10129816).

13506412 is a wasteful number, since it uses less digits than its factorization.

13506412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3376607 (or 3376605 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 13506412 is about 3675.1070732701. The cubic root of 13506412 is about 238.1478496638.

Adding to 13506412 its reverse (21460531), we get a palindrome (34966943).

The spelling of 13506412 in words is "thirteen million, five hundred six thousand, four hundred twelve".