11424720 has 80 divisors (see below), whose sum is σ = 35747712. Its totient is φ = 3018240.

The previous prime is 11424703. The next prime is 11424737. The reversal of 11424720 is 2742411.

It is a happy number.

11424720 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11424703) and next prime (11424737).

It is a tau number, because it is divible by the number of its divisors (80).

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, 43309 + ... + 43571.

Almost surely, 2^11424720 is an apocalyptic number.

11424720 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 11424720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17873856).

11424720 is an abundant number, since it is smaller than the sum of its proper divisors (24322992).

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

11424720 is a wasteful number, since it uses less digits than its factorization.

11424720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460 (or 454 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 11424720 is about 3380.0473369466. The cubic root of 11424720 is about 225.2242702101.

The spelling of 11424720 in words is "eleven million, four hundred twenty-four thousand, seven hundred twenty".