12014557 has 4 divisors (see below), whose sum is σ = 12166720. Its totient is φ = 11862396.

The previous prime is 12014539. The next prime is 12014609. The reversal of 12014557 is 75541021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75541021 = 157 ⋅481153.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12014557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12014537) 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, 75963 + ... + 76120.

It is an arithmetic number, because the mean of its divisors is an integer number (3041680).

Almost surely, 2^12014557 is an apocalyptic number.

It is an amenable number.

12014557 is a deficient number, since it is larger than the sum of its proper divisors (152163).

12014557 is an equidigital number, since it uses as much as digits as its factorization.

12014557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152162.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 12014557 is about 3466.2021002821. The cubic root of 12014557 is about 229.0353866865.

Adding to 12014557 its reverse (75541021), we get a palindrome (87555578).

The spelling of 12014557 in words is "twelve million, fourteen thousand, five hundred fifty-seven".