13825149 has 16 divisors (see below), whose sum is σ = 20043072. Its totient is φ = 8425728.

The previous prime is 13825129. The next prime is 13825157. The reversal of 13825149 is 94152831.

13825149 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13825149 - 2¹² = 13821053 is a prime.

It is a super-2 number, since 2×13825149² = 382269489744402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13825129) 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, 2517 + ... + 5829.

It is an arithmetic number, because the mean of its divisors is an integer number (1252692).

Almost surely, 2^13825149 is an apocalyptic number.

It is an amenable number.

13825149 is a deficient number, since it is larger than the sum of its proper divisors (6217923).

13825149 is a wasteful number, since it uses less digits than its factorization.

13825149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3436.

The product of its digits is 8640, while the sum is 33.

The square root of 13825149 is about 3718.2185250466. The cubic root of 13825149 is about 240.0066491213.

The spelling of 13825149 in words is "thirteen million, eight hundred twenty-five thousand, one hundred forty-nine".