13098774 has 32 divisors (see below), whose sum is σ = 28685664. Its totient is φ = 3962880.

The previous prime is 13098773. The next prime is 13098779. The reversal of 13098774 is 47789031.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13098773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3382 + ... + 6134.

It is an arithmetic number, because the mean of its divisors is an integer number (896427).

Almost surely, 2^13098774 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13098774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14342832).

13098774 is an abundant number, since it is smaller than the sum of its proper divisors (15586890).

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

13098774 is a wasteful number, since it uses less digits than its factorization.

13098774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2832.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 13098774 is about 3619.2228447555. Note that the first 3 decimals coincide. The cubic root of 13098774 is about 235.7274815648.

The spelling of 13098774 in words is "thirteen million, ninety-eight thousand, seven hundred seventy-four".