13421286 has 24 divisors (see below), whose sum is σ = 29172000. Its totient is φ = 4459536.

The previous prime is 13421267. The next prime is 13421297. The reversal of 13421286 is 68212431.

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 11 ways as a sum of consecutive naturals, for example, 5715 + ... + 7713.

It is an arithmetic number, because the mean of its divisors is an integer number (1215500).

Almost surely, 2^13421286 is an apocalyptic number.

13421286 is an abundant number, since it is smaller than the sum of its proper divisors (15750714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13421286 is a wasteful number, since it uses less digits than its factorization.

13421286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2380 (or 2377 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 13421286 is about 3663.5073358736. The cubic root of 13421286 is about 237.6464751111.

It can be divided in two parts, 1342 and 1286, that added together give a triangular number (2628 = T₇₂).

The spelling of 13421286 in words is "thirteen million, four hundred twenty-one thousand, two hundred eighty-six".