14921901 has 16 divisors (see below), whose sum is σ = 22382720. Its totient is φ = 9946476.

The previous prime is 14921891. The next prime is 14921911. The reversal of 14921901 is 10912941.

It is an interprime number because it is at equal distance from previous prime (14921891) and next prime (14921911).

It is not a de Polignac number, because 14921901 - 2¹⁷ = 14790829 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14921911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1225 + ... + 5598.

It is an arithmetic number, because the mean of its divisors is an integer number (1398920).

Almost surely, 2^14921901 is an apocalyptic number.

It is an amenable number.

14921901 is a deficient number, since it is larger than the sum of its proper divisors (7460819).

14921901 is an frugal number, since it uses more digits than its factorization.

14921901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6844 (or 6826 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 14921901 is about 3862.8876504501. The cubic root of 14921901 is about 246.1924431088.

The spelling of 14921901 in words is "fourteen million, nine hundred twenty-one thousand, nine hundred one".