13697748 has 60 divisors (see below), whose sum is σ = 36400672. Its totient is φ = 4490640.

The previous prime is 13697743. The next prime is 13697777. The reversal of 13697748 is 84779631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13697743) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21393 + ... + 22023.

Almost surely, 2^13697748 is an apocalyptic number.

13697748 is a gapful number since it is divisible by the number (18) 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 13697748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18200336).

13697748 is an abundant number, since it is smaller than the sum of its proper divisors (22702924).

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

13697748 is a wasteful number, since it uses less digits than its factorization.

13697748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714 (or 703 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 13697748 is about 3701.0468789249. The cubic root of 13697748 is about 239.2671394252.

The spelling of 13697748 in words is "thirteen million, six hundred ninety-seven thousand, seven hundred forty-eight".