12097258 has 16 divisors (see below), whose sum is σ = 18514944. Its totient is φ = 5927040.

The previous prime is 12097231. The next prime is 12097259. The reversal of 12097258 is 85279021.

It is a super-2 number, since 2×12097258² = 292687302237128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12097259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24393 + ... + 24883.

It is an arithmetic number, because the mean of its divisors is an integer number (1157184).

Almost surely, 2^12097258 is an apocalyptic number.

12097258 is a deficient number, since it is larger than the sum of its proper divisors (6417686).

12097258 is a wasteful number, since it uses less digits than its factorization.

12097258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 12097258 is about 3478.1112690654. Note that the first 3 decimals coincide. The cubic root of 12097258 is about 229.5596995518.

It can be divided in two parts, 1209725 and 8, that multiplied together give a triangular number (9677800 = T₄₃₉₉).

The spelling of 12097258 in words is "twelve million, ninety-seven thousand, two hundred fifty-eight".