14620457 has 4 divisors (see below), whose sum is σ = 14765316. Its totient is φ = 14475600.

The previous prime is 14620453. The next prime is 14620469. The reversal of 14620457 is 75402641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75402641 = 853 ⋅88397.

It can be written as a sum of positive squares in 2 ways, for example, as 11999296 + 2621161 = 3464^2 + 1619^2 .

It is a cyclic number.

It is not a de Polignac number, because 14620457 - 2² = 14620453 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14620453) 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, 72278 + ... + 72479.

It is an arithmetic number, because the mean of its divisors is an integer number (3691329).

Almost surely, 2^14620457 is an apocalyptic number.

It is an amenable number.

14620457 is a deficient number, since it is larger than the sum of its proper divisors (144859).

14620457 is a wasteful number, since it uses less digits than its factorization.

14620457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144858.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 14620457 is about 3823.6706186595. The cubic root of 14620457 is about 244.5233381174.

It can be divided in two parts, 14620 and 457, that multiplied together give a triangular number (6681340 = T₃₆₅₅).

The spelling of 14620457 in words is "fourteen million, six hundred twenty thousand, four hundred fifty-seven".