13473644 has 6 divisors (see below), whose sum is σ = 23578884. Its totient is φ = 6736820.

The previous prime is 13473643. The next prime is 13473667. The reversal of 13473644 is 44637431.

It is a self number, because there is not a number n which added to its sum of digits gives 13473644.

It is not an unprimeable number, because it can be changed into a prime (13473643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1684202 + ... + 1684209.

It is an arithmetic number, because the mean of its divisors is an integer number (3929814).

Almost surely, 2^13473644 is an apocalyptic number.

It is an amenable number.

13473644 is a deficient number, since it is larger than the sum of its proper divisors (10105240).

13473644 is a wasteful number, since it uses less digits than its factorization.

13473644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3368415 (or 3368413 counting only the distinct ones).

The product of its digits is 24192, while the sum is 32.

The square root of 13473644 is about 3670.6462646243. The cubic root of 13473644 is about 237.9551029874.

The spelling of 13473644 in words is "thirteen million, four hundred seventy-three thousand, six hundred forty-four".