13491492 has 48 divisors (see below), whose sum is σ = 36580992. Its totient is φ = 3790080.

The previous prime is 13491469. The next prime is 13491497. The reversal of 13491492 is 29419431.

13491492 = T₂₀₃ + T₂₀₄ + ... + T₄₄₆.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (13491497) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3808 + ... + 6440.

It is an arithmetic number, because the mean of its divisors is an integer number (762104).

Almost surely, 2^13491492 is an apocalyptic number.

13491492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13491492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18290496).

13491492 is an abundant number, since it is smaller than the sum of its proper divisors (23089500).

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

13491492 is a wasteful number, since it uses less digits than its factorization.

13491492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2708 (or 2706 counting only the distinct ones).

The product of its digits is 7776, while the sum is 33.

The square root of 13491492 is about 3673.0766395489. The cubic root of 13491492 is about 238.0601265126.

The spelling of 13491492 in words is "thirteen million, four hundred ninety-one thousand, four hundred ninety-two".