13249700 has 36 divisors (see below), whose sum is σ = 29537172. Its totient is φ = 5155200.

The previous prime is 13249699. The next prime is 13249721. The reversal of 13249700 is 794231.

It can be written as a sum of positive squares in 6 ways, for example, as 1236544 + 12013156 = 1112^2 + 3466^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13249700.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1910 + ... + 5490.

It is an arithmetic number, because the mean of its divisors is an integer number (820477).

Almost surely, 2^13249700 is an apocalyptic number.

13249700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13249700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14768586).

13249700 is an abundant number, since it is smaller than the sum of its proper divisors (16287472).

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

13249700 is a wasteful number, since it uses less digits than its factorization.

13249700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3632 (or 3625 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 13249700 is about 3640.0137362378. The cubic root of 13249700 is about 236.6293886490.

The spelling of 13249700 in words is "thirteen million, two hundred forty-nine thousand, seven hundred".