13244472 has 64 divisors (see below), whose sum is σ = 37293600. Its totient is φ = 4408992.

The previous prime is 13244467. The next prime is 13244521. The reversal of 13244472 is 27444231.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17118 + ... + 17874.

Almost surely, 2^13244472 is an apocalyptic number.

13244472 is a gapful number since it is divisible by the number (12) 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 13244472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18646800).

13244472 is an abundant number, since it is smaller than the sum of its proper divisors (24049128).

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

13244472 is an frugal number, since it uses more digits than its factorization.

13244472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784 (or 762 counting only the distinct ones).

The product of its digits is 5376, while the sum is 27.

The square root of 13244472 is about 3639.2955362268. The cubic root of 13244472 is about 236.5982618766.

The spelling of 13244472 in words is "thirteen million, two hundred forty-four thousand, four hundred seventy-two".