13249036 has 12 divisors (see below), whose sum is σ = 23425528. Its totient is φ = 6556032.

The previous prime is 13249009. The next prime is 13249037. The reversal of 13249036 is 63094231.

It is a junction number, because it is equal to n+sod(n) for n = 13248995 and 13249013.

It is not an unprimeable number, because it can be changed into a prime (13249037) 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, 16686 + ... + 17461.

Almost surely, 2^13249036 is an apocalyptic number.

It is an amenable number.

13249036 is a deficient number, since it is larger than the sum of its proper divisors (10176492).

13249036 is a wasteful number, since it uses less digits than its factorization.

13249036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34248 (or 34246 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 13249036 is about 3639.9225266481. The cubic root of 13249036 is about 236.6254357409.

The spelling of 13249036 in words is "thirteen million, two hundred forty-nine thousand, thirty-six".