13622140 has 24 divisors (see below), whose sum is σ = 32693472. Its totient is φ = 4670400.

The previous prime is 13622137. The next prime is 13622143. The reversal of 13622140 is 4122631.

It is an interprime number because it is at equal distance from previous prime (13622137) and next prime (13622143).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13622143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48511 + ... + 48790.

It is an arithmetic number, because the mean of its divisors is an integer number (1362228).

Almost surely, 2^13622140 is an apocalyptic number.

13622140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13622140 is an abundant number, since it is smaller than the sum of its proper divisors (19071332).

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

13622140 is a wasteful number, since it uses less digits than its factorization.

13622140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97317 (or 97315 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 13622140 is about 3690.8183374423. The cubic root of 13622140 is about 238.8260961897.

Adding to 13622140 its reverse (4122631), we get a palindrome (17744771).

The spelling of 13622140 in words is "thirteen million, six hundred twenty-two thousand, one hundred forty".