14904921 has 8 divisors (see below), whose sum is σ = 20145760. Its totient is φ = 9800352.

The previous prime is 14904907. The next prime is 14904941. The reversal of 14904921 is 12940941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14904921 - 2¹³ = 14896729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14904941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33811 + ... + 34248.

It is an arithmetic number, because the mean of its divisors is an integer number (2518220).

Almost surely, 2^14904921 is an apocalyptic number.

It is an amenable number.

14904921 is a deficient number, since it is larger than the sum of its proper divisors (5240839).

14904921 is an equidigital number, since it uses as much as digits as its factorization.

14904921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68135.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 14904921 is about 3860.6891871789. The cubic root of 14904921 is about 246.0990248433.

The spelling of 14904921 in words is "fourteen million, nine hundred four thousand, nine hundred twenty-one".