13752149 has 4 divisors (see below), whose sum is σ = 13760460. Its totient is φ = 13743840.

The previous prime is 13752113. The next prime is 13752157. The reversal of 13752149 is 94125731.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 94125731 = 7 ⋅13446533.

It can be written as a sum of positive squares in 2 ways, for example, as 10923025 + 2829124 = 3305^2 + 1682^2 .

It is a cyclic number.

It is not a de Polignac number, because 13752149 - 2¹⁶ = 13686613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13752169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 734 + ... + 5295.

It is an arithmetic number, because the mean of its divisors is an integer number (3440115).

Almost surely, 2^13752149 is an apocalyptic number.

It is an amenable number.

13752149 is a deficient number, since it is larger than the sum of its proper divisors (8311).

13752149 is an equidigital number, since it uses as much as digits as its factorization.

13752149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8310.

The product of its digits is 7560, while the sum is 32.

The square root of 13752149 is about 3708.3890033275. The cubic root of 13752149 is about 239.5834731257.

The spelling of 13752149 in words is "thirteen million, seven hundred fifty-two thousand, one hundred forty-nine".