13421492 has 18 divisors (see below), whose sum is σ = 27322722. Its totient is φ = 5751984.

The previous prime is 13421453. The next prime is 13421501. The reversal of 13421492 is 29412431.

13421492 = T₁₄₃ + T₁₄₄ + ... + T₄₃₆.

It can be written as a sum of positive squares in only one way, i.e., 12348196 + 1073296 = 3514^2 + 1036^2 .

It is a super-3 number, since 3×13421492³ (a number of 22 digits) contains 333 as substring.

It is a nialpdrome in base 16.

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 5 ways as a sum of consecutive naturals, for example, 34043 + ... + 34434.

It is an arithmetic number, because the mean of its divisors is an integer number (1517929).

Almost surely, 2^13421492 is an apocalyptic number.

It is an amenable number.

13421492 is an abundant number, since it is smaller than the sum of its proper divisors (13901230).

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

13421492 is a wasteful number, since it uses less digits than its factorization.

13421492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68495 (or 68486 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 13421492 is about 3663.5354508999. The cubic root of 13421492 is about 237.6476909638.

The spelling of 13421492 in words is "thirteen million, four hundred twenty-one thousand, four hundred ninety-two".