4012557 has 8 divisors (see below), whose sum is σ = 5582784. Its totient is φ = 2558688.

The previous prime is 4012549. The next prime is 4012573. The reversal of 4012557 is 7552104.

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

It is not a de Polignac number, because 4012557 - 2³ = 4012549 is a prime.

It is a super-2 number, since 2×4012557² = 32201227356498, which contains 22 as substring.

It is an Ulam number.

4012557 is a lucky number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4012507) 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, 29008 + ... + 29145.

It is an arithmetic number, because the mean of its divisors is an integer number (697848).

Almost surely, 2^4012557 is an apocalyptic number.

It is an amenable number.

4012557 is a deficient number, since it is larger than the sum of its proper divisors (1570227).

4012557 is a wasteful number, since it uses less digits than its factorization.

4012557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58179.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 4012557 is about 2003.1367901369. The cubic root of 4012557 is about 158.9060399726.

The spelling of 4012557 in words is "four million, twelve thousand, five hundred fifty-seven".