4012690 has 16 divisors (see below), whose sum is σ = 7879680. Its totient is φ = 1459120.

The previous prime is 4012681. The next prime is 4012703. The reversal of 4012690 is 962104.

It is a super-2 number, since 2×4012690² = 32203362072200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18130 + ... + 18349.

It is an arithmetic number, because the mean of its divisors is an integer number (492480).

Almost surely, 2^4012690 is an apocalyptic number.

4012690 is a deficient number, since it is larger than the sum of its proper divisors (3866990).

4012690 is a wasteful number, since it uses less digits than its factorization.

4012690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36497.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 4012690 is about 2003.1699877943. The cubic root of 4012690 is about 158.9077956502.

Adding to 4012690 its reverse (962104), we get a palindrome (4974794).

The spelling of 4012690 in words is "four million, twelve thousand, six hundred ninety".