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12252214 = 2133971187
BaseRepresentation
bin101110101111…
…010000110110
3212001110212201
4232233100312
511114032324
61114335114
7206066512
oct56572066
925043781
1012252214
116a092a7
12412a49a
1326cca40
1418ad142
151120444
hexbaf436

12252214 has 16 divisors (see below), whose sum is σ = 19858608. Its totient is φ = 5635872.

The previous prime is 12252197. The next prime is 12252259. The reversal of 12252214 is 41225221.

It is a junction number, because it is equal to n+sod(n) for n = 12252191 and 12252200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9729 + ... + 10915.

It is an arithmetic number, because the mean of its divisors is an integer number (1241163).

Almost surely, 212252214 is an apocalyptic number.

12252214 is a deficient number, since it is larger than the sum of its proper divisors (7606394).

12252214 is a wasteful number, since it uses less digits than its factorization.

12252214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599.

The product of its digits is 320, while the sum is 19.

The square root of 12252214 is about 3500.3162714246. The cubic root of 12252214 is about 230.5357015295.

Adding to 12252214 its reverse (41225221), we get a palindrome (53477435).

The spelling of 12252214 in words is "twelve million, two hundred fifty-two thousand, two hundred fourteen".

Divisors: 1 2 13 26 397 794 1187 2374 5161 10322 15431 30862 471239 942478 6126107 12252214