13197654 has 40 divisors (see below), whose sum is σ = 30309048. Its totient is φ = 4289760.

The previous prime is 13197649. The next prime is 13197659. The reversal of 13197654 is 45679131.

It is an interprime number because it is at equal distance from previous prime (13197649) and next prime (13197659).

It is a super-2 number, since 2×13197654² = 348356142207432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13197659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5649 + ... + 7635.

Almost surely, 2^13197654 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13197654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15154524).

13197654 is an abundant number, since it is smaller than the sum of its proper divisors (17111394).

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

13197654 is a wasteful number, since it uses less digits than its factorization.

13197654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042 (or 2033 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 13197654 is about 3632.8575529464. The cubic root of 13197654 is about 236.3191483152.

The spelling of 13197654 in words is "thirteen million, one hundred ninety-seven thousand, six hundred fifty-four".