13143425 has 12 divisors (see below), whose sum is σ = 16368000. Its totient is φ = 10469520.

The previous prime is 13143407. The next prime is 13143443. The reversal of 13143425 is 52434131.

It is an interprime number because it is at equal distance from previous prime (13143407) and next prime (13143443).

It is not a de Polignac number, because 13143425 - 2¹⁰ = 13142401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13143425.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5576 + ... + 7574.

It is an arithmetic number, because the mean of its divisors is an integer number (1364000).

Almost surely, 2^13143425 is an apocalyptic number.

It is an amenable number.

13143425 is a deficient number, since it is larger than the sum of its proper divisors (3224575).

13143425 is a wasteful number, since it uses less digits than its factorization.

13143425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2272 (or 2267 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 13143425 is about 3625.3861863255. The cubic root of 13143425 is about 235.9950264680.

Adding to 13143425 its reverse (52434131), we get a palindrome (65577556).

The spelling of 13143425 in words is "thirteen million, one hundred forty-three thousand, four hundred twenty-five".