13825142 has 12 divisors (see below), whose sum is σ = 20951748. Its totient is φ = 6841800.

The previous prime is 13825129. The next prime is 13825157. The reversal of 13825142 is 24152831.

It is a super-2 number, since 2×13825142² = 382269102640328, which contains 22 as substring.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65417 + ... + 65627.

It is an arithmetic number, because the mean of its divisors is an integer number (1745979).

Almost surely, 2^13825142 is an apocalyptic number.

13825142 is a deficient number, since it is larger than the sum of its proper divisors (7126606).

13825142 is an equidigital number, since it uses as much as digits as its factorization.

13825142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575 (or 394 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The square root of 13825142 is about 3718.2175837355. The cubic root of 13825142 is about 240.0066086143.

Adding to 13825142 its reverse (24152831), we get a palindrome (37977973).

The spelling of 13825142 in words is "thirteen million, eight hundred twenty-five thousand, one hundred forty-two".