4013236 has 12 divisors (see below), whose sum is σ = 7172928. Its totient is φ = 1963832.

The previous prime is 4013227. The next prime is 4013267. The reversal of 4013236 is 6323104.

It is a super-2 number, since 2×4013236² = 32212126383392, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10486 + ... + 10861.

It is an arithmetic number, because the mean of its divisors is an integer number (597744).

Almost surely, 2^4013236 is an apocalyptic number.

It is an amenable number.

4013236 is a deficient number, since it is larger than the sum of its proper divisors (3159692).

4013236 is a wasteful number, since it uses less digits than its factorization.

4013236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21398 (or 21396 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 4013236 is about 2003.3062671494. The cubic root of 4013236 is about 158.9150027625.

The spelling of 4013236 in words is "four million, thirteen thousand, two hundred thirty-six".