13642286 has 24 divisors (see below), whose sum is σ = 24045336. Its totient is φ = 5787600.

The previous prime is 13642283. The next prime is 13642297. The reversal of 13642286 is 68224631.

It is a super-2 number, since 2×13642286² = 372223934611592, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13642283) 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, 9836 + ... + 11136.

It is an arithmetic number, because the mean of its divisors is an integer number (1001889).

Almost surely, 2^13642286 is an apocalyptic number.

13642286 is a deficient number, since it is larger than the sum of its proper divisors (10403050).

13642286 is a wasteful number, since it uses less digits than its factorization.

13642286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424 (or 1417 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 13642286 is about 3693.5465341593. The cubic root of 13642286 is about 238.9437727711.

The spelling of 13642286 in words is "thirteen million, six hundred forty-two thousand, two hundred eighty-six".