13798149 has 8 divisors (see below), whose sum is σ = 18493632. Its totient is φ = 9150720.

The previous prime is 13798111. The next prime is 13798157. The reversal of 13798149 is 94189731.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13798149 - 2⁷ = 13798021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13798149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13798159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11337 + ... + 12494.

It is an arithmetic number, because the mean of its divisors is an integer number (2311704).

Almost surely, 2^13798149 is an apocalyptic number.

It is an amenable number.

13798149 is a deficient number, since it is larger than the sum of its proper divisors (4695483).

13798149 is a wasteful number, since it uses less digits than its factorization.

13798149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24027.

The product of its digits is 54432, while the sum is 42.

The square root of 13798149 is about 3714.5859796214. The cubic root of 13798149 is about 239.8503059570.

The spelling of 13798149 in words is "thirteen million, seven hundred ninety-eight thousand, one hundred forty-nine".