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12425470 = 251773091
BaseRepresentation
bin101111011001…
…100011111110
3212101021112121
4233121203332
511140103340
61122153154
7210420601
oct57314376
925337477
1012425470
117017492
1241b27ba
132760865
141916338
15115694a
hexbd98fe

12425470 has 16 divisors (see below), whose sum is σ = 23681808. Its totient is φ = 4677760.

The previous prime is 12425467. The next prime is 12425471. The reversal of 12425470 is 7452421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12425471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36376 + ... + 36715.

It is an arithmetic number, because the mean of its divisors is an integer number (1480113).

Almost surely, 212425470 is an apocalyptic number.

12425470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12425470 is a deficient number, since it is larger than the sum of its proper divisors (11256338).

12425470 is a wasteful number, since it uses less digits than its factorization.

12425470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73115.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 12425470 is about 3524.9780141158. The cubic root of 12425470 is about 231.6172717583.

Adding to 12425470 its reverse (7452421), we get a palindrome (19877891).

The spelling of 12425470 in words is "twelve million, four hundred twenty-five thousand, four hundred seventy".

Divisors: 1 2 5 10 17 34 85 170 73091 146182 365455 730910 1242547 2485094 6212735 12425470