13649212 has 12 divisors (see below), whose sum is σ = 24924816. Its totient is φ = 6527840.

The previous prime is 13649203. The next prime is 13649213. The reversal of 13649212 is 21294631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13649213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74089 + ... + 74272.

It is an arithmetic number, because the mean of its divisors is an integer number (2077068).

Almost surely, 2^13649212 is an apocalyptic number.

It is an amenable number.

13649212 is a deficient number, since it is larger than the sum of its proper divisors (11275604).

13649212 is a wasteful number, since it uses less digits than its factorization.

13649212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148388 (or 148386 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 13649212 is about 3694.4839964466. The cubic root of 13649212 is about 238.9842020801.

It can be divided in two parts, 13649 and 212, that added together give a triangular number (13861 = T₁₆₆).

The spelling of 13649212 in words is "thirteen million, six hundred forty-nine thousand, two hundred twelve".