13750146 has 12 divisors (see below), whose sum is σ = 29792022. Its totient is φ = 4583376.

The previous prime is 13750141. The next prime is 13750151. The reversal of 13750146 is 64105731.

13750146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13750141) and next prime (13750151).

It can be written as a sum of positive squares in only one way, i.e., 12215025 + 1535121 = 3495^2 + 1239^2 .

It is not an unprimeable number, because it can be changed into a prime (13750141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 381931 + ... + 381966.

Almost surely, 2^13750146 is an apocalyptic number.

13750146 is an abundant number, since it is smaller than the sum of its proper divisors (16041876).

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

13750146 is a wasteful number, since it uses less digits than its factorization.

13750146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763905 (or 763902 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 13750146 is about 3708.1189301316. The cubic root of 13750146 is about 239.5718407863.

Adding to 13750146 its reverse (64105731), we get a palindrome (77855877).

The spelling of 13750146 in words is "thirteen million, seven hundred fifty thousand, one hundred forty-six".