13512906 has 40 divisors (see below), whose sum is σ = 33035904. Its totient is φ = 4094280.

The previous prime is 13512901. The next prime is 13512907. The reversal of 13512906 is 60921531.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 13512906.

It is not an unprimeable number, because it can be changed into a prime (13512901) 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 19 ways as a sum of consecutive naturals, for example, 2010 + ... + 5573.

Almost surely, 2^13512906 is an apocalyptic number.

13512906 is an abundant number, since it is smaller than the sum of its proper divisors (19522998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13512906 is a wasteful number, since it uses less digits than its factorization.

13512906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7608 (or 7599 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 13512906 is about 3675.9904787690. The cubic root of 13512906 is about 238.1860113986.

It can be divided in two parts, 135 and 12906, that added together give a triangular number (13041 = T₁₆₁).

The spelling of 13512906 in words is "thirteen million, five hundred twelve thousand, nine hundred six".