13951224 has 64 divisors (see below), whose sum is σ = 44294400. Its totient is φ = 3985632.

The previous prime is 13951211. The next prime is 13951277. The reversal of 13951224 is 42215931.

13951224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 3102 + ... + 6125.

It is an arithmetic number, because the mean of its divisors is an integer number (692100).

Almost surely, 2^13951224 is an apocalyptic number.

13951224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13951224 is an abundant number, since it is smaller than the sum of its proper divisors (30343176).

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

13951224 is a wasteful number, since it uses less digits than its factorization.

13951224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9249 (or 9239 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 13951224 is about 3735.1337325456. The cubic root of 13951224 is about 240.7340028772.

The spelling of 13951224 in words is "thirteen million, nine hundred fifty-one thousand, two hundred twenty-four".