14961557 has 12 divisors (see below), whose sum is σ = 16494156. Its totient is φ = 13490880.

The previous prime is 14961509. The next prime is 14961563. The reversal of 14961557 is 75516941.

14961557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3189796 + 11771761 = 1786^2 + 3431^2 .

It is not a de Polignac number, because 14961557 - 2¹² = 14957461 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14961557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14961587) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28457 + ... + 28977.

It is an arithmetic number, because the mean of its divisors is an integer number (1374513).

Almost surely, 2^14961557 is an apocalyptic number.

It is an amenable number.

14961557 is a deficient number, since it is larger than the sum of its proper divisors (1532599).

14961557 is an equidigital number, since it uses as much as digits as its factorization.

14961557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628 (or 581 counting only the distinct ones).

The product of its digits is 37800, while the sum is 38.

The square root of 14961557 is about 3868.0171923093. The cubic root of 14961557 is about 246.4103414326.

The spelling of 14961557 in words is "fourteen million, nine hundred sixty-one thousand, five hundred fifty-seven".