14920279 has 4 divisors (see below), whose sum is σ = 16276680. Its totient is φ = 13563880.

The previous prime is 14920277. The next prime is 14920289. The reversal of 14920279 is 97202941.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 14920279 - 2¹ = 14920277 is a prime.

It is a super-2 number, since 2×14920279² = 445229450875682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14920277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 678184 + ... + 678205.

It is an arithmetic number, because the mean of its divisors is an integer number (4069170).

Almost surely, 2^14920279 is an apocalyptic number.

14920279 is a deficient number, since it is larger than the sum of its proper divisors (1356401).

14920279 is a wasteful number, since it uses less digits than its factorization.

14920279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356400.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 14920279 is about 3862.6776981778. The cubic root of 14920279 is about 246.1835224713.

The spelling of 14920279 in words is "fourteen million, nine hundred twenty thousand, two hundred seventy-nine".