13649332 has 6 divisors (see below), whose sum is σ = 23886338. Its totient is φ = 6824664.

The previous prime is 13649303. The next prime is 13649341. The reversal of 13649332 is 23394631.

It can be written as a sum of positive squares in only one way, i.e., 10278436 + 3370896 = 3206^2 + 1836^2 .

It is a super-5 number, since 5×13649332⁵ (a number of 37 digits) contains 55555 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13649294 and 13649303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1706163 + ... + 1706170.

Almost surely, 2^13649332 is an apocalyptic number.

It is an amenable number.

13649332 is a deficient number, since it is larger than the sum of its proper divisors (10237006).

13649332 is a wasteful number, since it uses less digits than its factorization.

13649332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3412337 (or 3412335 counting only the distinct ones).

The product of its digits is 11664, while the sum is 31.

The square root of 13649332 is about 3694.5002368385. The cubic root of 13649332 is about 238.9849024385.

The spelling of 13649332 in words is "thirteen million, six hundred forty-nine thousand, three hundred thirty-two".