13649100 has 36 divisors (see below), whose sum is σ = 39492264. Its totient is φ = 3639680.

The previous prime is 13649099. The next prime is 13649107. The reversal of 13649100 is 194631.

It is not an unprimeable number, because it can be changed into a prime (13649107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22449 + ... + 23048.

Almost surely, 2^13649100 is an apocalyptic number.

13649100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13649100 is an abundant number, since it is smaller than the sum of its proper divisors (25843164).

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

13649100 is a wasteful number, since it uses less digits than its factorization.

13649100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45514 (or 45507 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 13649100 is about 3694.4688386830. The cubic root of 13649100 is about 238.9835484086.

The spelling of 13649100 in words is "thirteen million, six hundred forty-nine thousand, one hundred".